What exactly do you want to extract? e.g. just the brain, or specific ROIs (e.g. hippocampus, frontal gyri)? It can all be done automatically.
many thanks for your answer, I have two mission first one
extract the brain only and its possible , but If i have tumor and i want to extract it.
there are algorithms to focus on this part?
regards
Nearly all MRI software analysis packages can conduct brain extraction / skull stripping within seconds. The simplest method (in my opinion) is to use MRIcro i.e. load the scan (after converting the dicoms to a single file or to Analyze format), and then apply 'skull stripping' (which uses the FSL tool called BET, brain extraction tool).
Automated tumor extraction is more complex and as such there are many ways to do this. Have a look at this pubmed search and have a read of some of the articles to see how others have accomplished this:
https://www.google.com.au/search?q=automated+brain+tumour+extract+mri&rlz=1C1GGRV_enAU751AU751&oq=automated+brain+tumour+extract+mri&aqs=chrome..69i57.4773j0j7&sourceid=chrome&ie=UTF-8
Jerome
You can contact Dr. E. Mark Haacke at http://www.mrinnovations.com/ about this. They are doing advanced automated detection algorithms.
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